Inductively powered apparatus

  • US 7,126,450 B2
  • Filed: 02/04/2003
  • Issued: 10/24/2006
  • Est. Priority Date: 06/21/1999
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. An inductively powered device comprising:

  • a power supply circuit having a primary, said power supply circuit applying power to said primary to generate a magnetic field;

    a secondary assembly having a secondary circuit with a secondary and a load, said secondary being disposed within said magnetic field, said secondary physically spaced from the primary by a distance, said magnetic field inducing a current in said secondary to apply power to said load at a magnitude; and

    a means for varying the distance between said primary and said secondary in order to control said magnitude of said power applied to said load.

View all claims

    Thank you for your feedback